Table 1 Comparison of tobacco users and non-users
| Â | Tobacco users | Non-users | Significance |
|---|---|---|---|
Age in years, mean (SD) | 41.56 (10.58) | 38.44 (11.01) | t = 1.82, p = 0.07 |
Gender males (%) | 93.8 | 39.9 | χ2 = 46.95, p = 0.001 |
Duration of illness, mean (SD) | 13.54 (9.27) | 12.47 (8.21) | t = 0.81, p = 0.42 |
BPRS, mean (SD) | 31.84 (8.99) | 32.09 (8.81) | t = 0.16, p = 0.88 |
Body mass index, mean (SD) | 22.17 (3.22) | 23.77 (4.11) | t = 2.53, p = 0.63 |